Find all numbers u (if any) so that the given point (u, y) or (x, u) is on the unit circle.

A. ± 
B. ± 
C. ± 
D. ± 


Answer: C

Mathematics

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Find the interval containing x=0 where f(x)=16x-tan(x) is increasing.

Mathematics

Without using a graphing calculator, match the graph with its equation. h(x) = -2.4(1.3)x

A.

B.

C.

D.

Mathematics

Solve the problem.The number of dislocated electric impulses per cubic inch in a transformer increases when lightning strikes by D = 7000(4)x, where x is the time in milliseconds of the lightning strike. Find the number of dislocated impulses at x = 0 and x = 2.

A. 7000, 1,792,000 B. 7000, 112,000 C. 28,000, 112,000 D. 7000, 56,000

Mathematics

Find the indicated term of the binomial expansion.(x + y)10 ; term containing x3

A. 840x3y7 B. 10x3y7 C. 210x3y7 D. 120x3y7

Mathematics